Home / 430,373,808.37-645,806,715.08-233,653,216.34

Finding the Fourth Proportional to 430,373,808.37, 645,806,715.08 and 233,653,216.34

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Solution

The fourth proportional to 430,373,808.37, 645,806,715.08 and 233,653,216.34 is: 350,613,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,373,808.37 : 645,806,715.08 = 233,653,216.34 : x
  2. Step 2: Convert to fraction form
    430,373,808.37/645,806,715.08 = 233,653,216.34/x
  3. Step 3: Cross multiply
    430,373,808.37x = 645,806,715.08 × 233,653,216.34
  4. Step 4: Simplify right side
    430,373,808.37x = 150,894,816,108,014,688
  5. Step 5: Solve for x
    x = 150,894,816,108,014,688/430,373,808.37
  6. Step 6: Final answer
    x = 350,613,381.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.